Palynology, palynofacies and palaeoenvironments of sedimentary organic matter from Bonyere - 1 Well, Tano basin, western Ghana

• Autorzy: Atta-Peters D. , Agama C. I. , Asiedu D. K. , Apesegah E.
• Języki publikacji: EN

Abstrakty

EN

Palynofacies analyses from Bonyere Well No. 1 in the Tano basin, western Ghana has revealed five palynofacies associations (I – V) based on the percentage relative abundances of the sedimentary organic matter (SOM). The palynofacies associations reflect deposition in a fluvio-deltaic (oxic) environment, a distal dysoxic-anoxic shelf environment, a proximal dysoxic-suboxic environment, nearshore (oxic) and a fluvio-deltaic/nearshore environment with high oxygen levels and low preservation rates respectively. Based on marker palynomorphs, Campanian – Maastrichtian age has been assigned to sediments within the interval (1800-10 ft) – (90-100 ft), Turonian – Lower Senonian (Santonian) age between (3160-70 ft) – (1980-90 ft) and Aptian age between the interval (8140-50 ft) – (3340-50 ft). The absence of the elater-bearing pollen which are typical Africa-South America (ASA) elements for the Albian – Cenomanian age is indicative of an unconformity between the Aptian and Turonian sediments.

Słowa kluczowe

EN

palynology; palynofacies; paleoenvironment; palinostratigraphy; sediment; organic matter; geological formation; Tano basin; Ghana

• Wydawca: -
• Czasopismo: International Letters of Natural Sciences
• Rocznik: 2013
• Tom: 05
• Opis fizyczny: p.27-45,fig.,ref.

Twórcy

autor

Atta-Peters D.

• Department of Earth Science, University of Ghana, P.O Box LG 58, Legon, Accra, Ghana

autor

Agama C. I.

• Tullow Gh.Ltd, PMB CT 386, Cantonments, Accra, Ghana

autor

Asiedu D. K.

• Department of Earth Science, University of Ghana, P.O Box LG 58, Legon, Accra, Ghana

autor

Apesegah E.

• Ghana National Petroleum Corporation, PMB, Tema, Ghana

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